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Aayush
Answers (1)
First exp=1+4x+4x^2-16x^4 =(1)^2+2.1.2x+(2x)^2-16x^4 =(1+2x)^2-(4x^2)^2 =(1+2x+4x^2) (1+2x-4x^2) Second exp.=1+2x-8x^3-16x^4 =(1)^3-(2x)^3+2x-16x^4 =(1-2x)(1+2x+4x^2)+2x(1-8x^3) =(1+2x)(1-2x)(1+2x+4x^2) :HCF=(1+2x+4x^2)
